Schaeffer's 9000-005 SynShield OTR Plus Full Synthetic 5W-40 5-Gallon Pail

SynShield OTR Plus 5W-40 Diesel Engine Oil is a premium
advanced performance, fully synthetic, heavy-duty diesel engine oil
formulated to provide maximum protection against wear, oxidation,
deposit formation, soot contamination and aeration.
Blended with anti-wear additives and anti-oxidants, SynShield OTR
Plus 5W-40 Full Synthetic Oil delivers better fuel economy benefits
while maintaining durability protection to keep your truck running long
after itÕs been paid off. Fortified with our proven friction modifiers,
Micron Moly and Penetro, SynShield OTR Plus 5W-40 Full Synthetic
diesel oil significantly reduces friction throughout your engine.
Components continue to move smoothly without causing wear even as the miles and the loads increase.

Features:

-Suitable for use API CK-4.
-Maintains fuel economy without sacrificing engine durability.
-Superior cold weather startability and operating characteristics.
-Oil strength: withstands higher heat range than conventional oils.
-Keep-clean performance: superior soot busting, deposit-dispersing capability.
-Friction modified with Micron Moly® and Penetro®.